Can opener



FIG. 1 is a right side elevational view of a can opener showing my invention;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof, and

FIG. 5 is an enlarged front elevational view thereof. 

The ornamental design of a can opener, as shown and described. 